A77-AB Adapter Bracket A Division of Pittway 3825 Ohio Avenue, St. Charles, IL 60174 1-800-SENSOR2 (736-7672), Fax 630-377-6495 http://www.systemsensor.com 100 Series Smoke Detector with A77-AB 400 Series Smoke Detector with A77-AB Features • 6.5″ diameter to cover retrofit applications using System Sensor 100, 300, and 400 series direct-wire detectors • Bracket color blends with 100, 300, and 400 series detectors • Made of high UV-resistant plastic • No additional hardware needed The System Sensor A77-AB Adapter Bracket allows installers to retrofit applications where a larger diameter smoke detector was previously installed. This Adapter Bracket covers unsightly footprints allowing a new System Sensor direct-wire detector to blend into the acoustical tile without the need for costly ceiling repainting. This simple solution reduces installed costs on fire alarm system retrofits. Specifications Size: Inner Diameter: Outer Diameter: Construction: © System Sensor 8/97 4.6″ 6.5″ High UV-resistant plastic This document is not intended to be used for installation purposes. A05-971-00 Installation of Adapter Bracket Figure 1. Install adapter bracket between ceiling and mounting bracket. Figure 2. Install detector. Figure 3. Adapter bracket covers previous detector footprints and flawed installations. Figure 4. Detector without adapter bracket Ordering Information Part No. Description A77-AB Adapter Bracket (Order smoke detectors separately) System Sensor Worldwide Manufacturing & Distribution In Canada: Telephone: 905-812-0767 Fax: 905-812-0771 In the Far East: Telephone: 852-2191-9003 Fax: 852-2736-6580 In Italy: Telephone: 39-40-9490-111 Fax: 39-40-382137 In China: Telephone: 852-2191-9003 Fax: 852-2736-6580 In India: Telefax: 91-022-8202564 In the United Kingdom: Telephone: 44-1403-276500 Fax: 44-1403-276501 Page 2 A05-971-00